
^{10}C (1984AJ01)(See Energy Level Diagrams for ^{10}C) GENERAL: (See also (1979AJ01).) and Table 10.19 [Table of Energy Levels] (in PDF or PS) here. Model calculations: (1981DE2G, 1982SA1U). Electromagnetic transitions: (1982RI04). Astrophysical questions: (1979MO04, 1979RA1C). Complex reactions involving ^{10}C: (1979BO22, 1981MO20). Reactions involving pions (See also reactions 2 and 6.): (1979AL1J, 1979LI1D, 1980LE02, 1981AU1C, 1982COZV, 1982RO04). Other topics: (1979NOZZ, 1980NO1A, 1982DE1N, 1982NG01). Mass of ^{10}C: Based on Q_{0} for ^{10}B(p, n)^{10}C and ^{12}C(p, t)^{10}C and the Wapstra masses for n, t and ^{10}B, the atomic mass excess of ^{10}C is 15698.8 ± 0.5 keV.
^{10}C decays with a halflife of 19.255 ± 0.053 sec to ^{10}B*(0.7, 1.7): the branching ratios are (98.53 ± 0.02)% and (1.465 ± 0.014)%, respectively (1972RO03): see reaction 41 in ^{10}B.
Angular distributions of π^{} groups have been measured at E_{p} = 185 MeV (1973DA09; to ^{10}C*(0, 3.36, 5.28, 6.63)), at E_{p} = 200 MeV (1980SJ02; ^{10}C_{g.s.}) and at E_{p} = 800 MeV (1979HO13; to ^{10}C*(0, 3.35, 5.3, 6.6)). A_{y} measurements have been reported at E_{p} = 200 MeV (1980SJ02; ^{10}C_{g.s.}) and 200, 225 and 250 MeV (1982LO02; ^{10}C*(0, 3.35, 5.28, 6.6)). See also (1979AJ01, 1979JO1C, 1979ME2A, 1981AU1C, 1981BO1D, 1982HO1C, 1982NA1K).
See (1982RO04).
The E_{x} of ^{10}C*(3.35) = 3352.7 ± 1.5 keV, τ_{m} = 155 ± 25 fsec, Γ_{γ} = 4.25 ± 0.69 meV. Angular distributions have been measured for n_{0} and n_{1} groups and for the neutrons to ^{10}C*(5.2 ± 0.3) at E_{p} = 30 and 50 MeV: see (1974AJ01, 1979AJ01).
Angular distributions have been measured at E(^{3}He) = 14 MeV and 217 MeV: see (1979AJ01). The latter [to ^{10}C*(0, 3.35, 5.6)] have been compared with microscopic calculations using a central + tensor interaction [J^{π} = 0^{+}, 2^{+}, 2^{+}] (1976WI05). Structures have been reported at E_{x} = 5.22 ± 0.04 [Γ = 225 ± 45 keV], 5.38 ± 0.07 [300 ± 60 keV] and 6.580 ± 0.020 MeV [190 ± 35 keV] (1975SC27). [It is not clear which of the 5.2  5.4 MeV states is the 2^{+} state studied by (1976WI05).]
See (1982DO01).
Angular distributions have been reported at E_{p} = 30.0 to 54.1 MeV [see (1974AJ01, 1979AJ01)] and at E_{p} = 80 MeV (1979SH09; t to ^{10}C*(0, 3.35, 5.28). L = 0, 2 and 2 thus leading to 0^{+}, 2^{+} and 2^{+} for these states [but note that the "5.28 MeV" states is certainly unresolved]: see reaction 5 and Table 10.19 (in PDF or PS). ^{10}C*(6.6) is also populated. The excitation energy of ^{10}C*(3.4) is 3353.3 ± 1.0 keV (1974BE66), 3354.1 ± 1.1 keV (1978RO08) [based on Q_{m}]. See also (1979NOZZ, 1980NO1A) and (1982BE1Z; theor.).
At E(^{3}He) = 70.3 MeV the angular distributions of the ^{6}He ions corresponding to the population of ^{10}C*(0, 3.35) have been measured. The group to ^{10}C*(3.35) is much more intense than the groundstate group: multistep processes may be important (1973KA16). (1976DE27) suggest, on the basis of an FRDWBA analysis, that the process can be interpreted as a directcluster transfer to both final states.
